1004113003 has 4 divisors (see below), whose sum is σ = 1005751648. Its totient is φ = 1002474360.

The previous prime is 1004112997. The next prime is 1004113021. The reversal of 1004113003 is 3003114001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1004113003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1004113043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 818403 + ... + 819628.

It is an arithmetic number, because the mean of its divisors is an integer number (251437912).

Almost surely, 2^1004113003 is an apocalyptic number.

1004113003 is a deficient number, since it is larger than the sum of its proper divisors (1638645).

1004113003 is an equidigital number, since it uses as much as digits as its factorization.

1004113003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638644.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1004113003 is about 31687.7421568656. The cubic root of 1004113003 is about 1001.3691256395.

Adding to 1004113003 its reverse (3003114001), we get a palindrome (4007227004).

The spelling of 1004113003 in words is "one billion, four million, one hundred thirteen thousand, three".